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1972 Porsche 914

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Use our shopping filters to find the right 2/3/4-channel amp to power upgraded speakers properly.

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Amps for Adding Speakers for 1972 Porsche 914

Some vehicles require an amp bypass module, a line-output converter like the NVX XLCA2 or AudioControl LC2i, or a DSP to integrate with your factory radio and avoid bass roll-off. Bass roll-off occurs when a factory radio's crossover is designed only for the original equipment speakers, resulting in a not complete signal being sent to your new aftermarket amp.

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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Deaf Bonce Avatar ABR-200.2

200W RMS Class AB Buran Series 2 Channel Car Amplifier

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Deaf Bonce Avatar ABR-200.2

200W RMS Class AB Buran Series 2 Channel Car Amplifier

• 80 watts x 2 channel @ 4 ohm
• 100 watts x 2 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier

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DS18 Hydro NXL-X850.4D

1600W Peak Class D HYDRO Series 4-Channel Marine and Powersports Amplifier

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DS18 Hydro NXL-X850.4D

1600W Peak Class D HYDRO Series 4-Channel Marine and Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• IPX6 waterproof rating
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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MB Quart FA2-900.5

900W RMS Class D Formula Series 5 Channel Car Amplifier with Bass Remote

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MB Quart FA2-900.5

900W RMS Class D Formula Series 5 Channel Car Amplifier with Bass Remote

• 50 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 250 watts x 1 channel @ 2 ohm
• Total RMS Power: 900 watts
• Class D 1 ohm Stable 5-Channel Amplifier

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Diamond Audio DMD600.4D

640W RMS Class D DMD Series 4-Channel Full Range Car Amplifier with Bluetooth

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Diamond Audio DMD600.4D

640W RMS Class D DMD Series 4-Channel Full Range Car Amplifier with Bluetooth

• 150 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 640 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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DS18 Hydro NXL-X1200.5D

2800W Peak Class D HYDRO Series 5-Channel Marine and Powersports Amplifier

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DS18 Hydro NXL-X1200.5D

2800W Peak Class D HYDRO Series 5-Channel Marine and Powersports Amplifier

• 150 watts x 4 channel + 350 watts @ 4 ohm
• 200 watts x 4 channel + 600 watts @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm + 600 watts @ 2 ohm
• Total RMS Power: 2800 watts
• IPX6 waterproof rating
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

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• 150 watts x 4 channel + 350 watts @ 4 ohm
• 200 watts x 4 channel + 600 watts @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm + 600 watts @ 2 ohm
• Total RMS Power: 2800 watts
• IPX6 waterproof rating
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

Diamond Audio MICRO88U

1000W RMS Class D Micro8U Series 8-Channel Full Range Car Amplifier

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Diamond Audio MICRO88U

1000W RMS Class D Micro8U Series 8-Channel Full Range Car Amplifier

• 75 watts x 8 channel @ 4 ohm
• 115 watts x 8 channel @ 2 ohm
• Bridged: 200 watts x 4 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 8-Channel Amplifier

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Diamond Audio DES400.4D

800W RMS Class D Diamond Elite Series 4-Channel Full Range Car Amplifier

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Diamond Audio DES400.4D

800W RMS Class D Diamond Elite Series 4-Channel Full Range Car Amplifier

• 140 watts x 4 channel @ 4 ohm
• 170 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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Massive Audio TX48

1600W RMS Class D Trident Series 4 Channel Marine Amplifier with Bluetooth

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Massive Audio TX48

1600W RMS Class D Trident Series 4 Channel Marine Amplifier with Bluetooth

• 200 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 800 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 200 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 800 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Cerwin-Vega VCU85

1900W Peak (950W RMS) Class D Vega Series 5-Channel Car and Marine Amplifier

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Cerwin-Vega VCU85

1900W Peak (950W RMS) Class D Vega Series 5-Channel Car and Marine Amplifier

• 80 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 350 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 200 watts x 1 channel
• Total RMS Power: 950 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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• 80 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 350 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 200 watts x 1 channel
• Total RMS Power: 950 watts
• Class D 2 ohm Stable 5-Channel Amplifier

Diamond Audio HX600.4

1000W RMS Class D HEX Series 4-Channel Full Range Car Amplifier

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Diamond Audio HX600.4

1000W RMS Class D HEX Series 4-Channel Full Range Car Amplifier

• 160 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Deaf Bonce Machete MFA 2.120

360W RMS Class D Machete Series 2 Channel Car Amplifier

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Deaf Bonce Machete MFA 2.120

360W RMS Class D Machete Series 2 Channel Car Amplifier

• 120 watts x 2 channel @ 4 ohm
• 180 watts x 2 channel @ 2 ohm
• Bridged: 360 watts x 1 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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Hertz Venezia V6

1740W RMS Class D Venezia Series 6-Channel Marine Amplifier

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Hertz Venezia V6

1740W RMS Class D Venezia Series 6-Channel Marine Amplifier

• 160 watts x 6 channel @ 4 ohm
• 290 watts x 6 channel @ 2 ohm
• Total RMS Power: 1740 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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List price $1600.00
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Hertz Venezia V4

1160W RMS Class D Venezia Series 4-Channel Full Range Marine Amplifier

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Hertz Venezia V4

1160W RMS Class D Venezia Series 4-Channel Full Range Marine Amplifier

• 4 Channel: 160 watts x 4 channel @ 4 ohms
• 4 Channel: 290 watts x 4 channel @ 4 ohms
• 3 Channel: 160 watts x 2 channel @ 4 ohms + 580 watts x 1 channel @ 4 ohms
• 3 Channel: 290 watts x 2 channel @ 2 ohms + 580 watts x 1 channel @ 4 ohms
• 2 Channel: 580 watts x 2 channel
• Total RMS Power: 1160 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $1255.00
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NVX XKIT44

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Crunch DR-3125.2D

3125W Peak Class D V-Drive Series 2-Channel Car Amplifier

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Crunch DR-3125.2D

3125W Peak Class D V-Drive Series 2-Channel Car Amplifier

• 780 watts x 2 channel @ 4 ohm
• 1560 watts x 2 channel @ 2 ohm
• Bridged: 3125 watts x 1 channel @ 4 ohm
• Total peak power output: 3125 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $109.99
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DS18 Hydro NXL-X360.2D

1000W Peak (500W RMS) Class D NXL Series 2-Channel Marine and Powersports Amplifier

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DS18 Hydro NXL-X360.2D

1000W Peak (500W RMS) Class D NXL Series 2-Channel Marine and Powersports Amplifier

• 180 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts @ 4-ohm @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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DS18 MP.4A

480W Peak (160W RMS) Class D HYDRO Series 4-Channel Marine and Powersports Amplifier

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DS18 MP.4A

480W Peak (160W RMS) Class D HYDRO Series 4-Channel Marine and Powersports Amplifier

• 40 watts x 4 channel @ 4 ohm
• Total RMS Power: 160 watts
• Class D 4 ohm Stable 4-Channel Amplifier
• IPX5 waterproof rating with salt and fog protection

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List price $179.95
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• 40 watts x 4 channel @ 4 ohm
• Total RMS Power: 160 watts
• Class D 4 ohm Stable 4-Channel Amplifier
• IPX5 waterproof rating with salt and fog protection

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Deaf Bonce Apocalypse ASA 1000.2

1000W RMS Class D Apocalypse Sport Series 2-Channel Car Amplifier

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Deaf Bonce Apocalypse ASA 1000.2

1000W RMS Class D Apocalypse Sport Series 2-Channel Car Amplifier

• 410 watts x 2 channel @ 4 ohm
• 680 watts x 2 channel @ 2 ohm
• 1000 watts x 2 channel @ 1 ohm
• Bridged: 1360 watts x 1 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable 2-Channel Amplifier

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NVX XKIT02

NVX XKIT02

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NVX NBA201 (Open Box, Great)

1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

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NVX NBA201 (Open Box, Great)

1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant

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MB Quart DA2-520.4D

520W Peak Class D Discus Series 4 Channel Marine and Powersports Amplifier

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MB Quart DA2-520.4D

520W Peak Class D Discus Series 4 Channel Marine and Powersports Amplifier

• 90 watts x 4 channel @ 4 ohm
• 130 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 90 watts x 4 channel @ 4 ohm
• 130 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Limited time!

MTX PS400.2

400W RMS Class D PS Series 2-Channel Powersports Amplifier

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MTX PS400.2

400W RMS Class D PS Series 2-Channel Powersports Amplifier

• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Bridged: 400 watts x 1 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $449.95
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-29% $319.96

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• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Bridged: 400 watts x 1 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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